Conversion factors related to inferred resources.

No definition available.

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- Definition

Disclosure Of Significant Accounting Policies [line items].

+ References

No definition available.

+ Details

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- Definition

Percentage of inferred resources.

+ References

No definition available.

+ Details

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- Definition

Vesting tranche percentage sharebased arrangements.

+ References

No definition available.

+ Details

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- Definition

The depreciation method used for property, plant and equipment. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_b&doctype=Standard
-URIDate 2018-03-16

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- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2019-01-01
-Name IFRS
-Number 16
-IssueDate 2018-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_47_b&doctype=Standard
-URIDate 2018-03-16

+ Details

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- Definition

The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2019-01-01
-Name IFRS
-Number 16
-IssueDate 2018-01-01
-Paragraph 53
-Subparagraph j
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_53_j&doctype=Standard
-URIDate 2018-03-16

+ Details

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Period Type:	instant

- Definition

The useful lives or depreciation rates used for property, plant and equipment. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_c&doctype=Standard
-URIDate 2018-03-16

+ Details

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- Definition

The weighted average lessee's incremental borrowing rate applied to lease liabilities recognised in the statement of financial position at the date of initial application of IFRS 16. The incremental borrowing rate is the rate of interest that a lessee would have to pay to borrow over a similar term, and with a similar security, the funds necessary to obtain an asset of a similar value to the right-of-use asset in a similar economic environment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2019-01-01
-Name IFRS
-Number 16
-IssueDate 2018-01-01
-Paragraph C12
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_C12_a&doctype=Appendix&seq=3
-URIDate 2018-03-16

+ Details

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- Details

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- Details

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- Details

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- Details

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Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019
Disclosure Of Significant Accounting Policies [line items]
Lease liabilities	$ 23,879,000	$ 8,766,000		$ 16,083,000
Right-of-use assets	$ 7,316
Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16				5.32%
Machinery and Equipment [member]
Disclosure Of Significant Accounting Policies [line items]
Depreciation method, property, plant and equipment	Straight line
Useful lives or depreciation rates, property, plant and equipment	3-12 years
Mineral Properties [member]
Disclosure Of Significant Accounting Policies [line items]
Depreciation method, property, plant and equipment	Declining balance
San Jose M&I Property [member]
Disclosure Of Significant Accounting Policies [line items]
Conversion factors related to inferred resources	90.00%	90.00%
Percentage of inferred resources	29.00%	21.00%	23.00%
Caylloma M&I Property [member]
Disclosure Of Significant Accounting Policies [line items]
Conversion factors related to inferred resources	80.00%	80.00%
Percentage of inferred resources	45.00%	48.00%	60.00%
Performance Share Units \| Bottom of range [member]
Disclosure Of Significant Accounting Policies [line items]
Vesting tranche percentage sharebased arrangements	50.00%
Performance Share Units \| Top of range [member]
Disclosure Of Significant Accounting Policies [line items]
Vesting tranche percentage sharebased arrangements	200.00%
Performance Share Units \| Vesting Tranche One Period [member]
Disclosure Of Significant Accounting Policies [line items]
Vesting tranche percentage sharebased arrangements	20.00%
Performance Share Units \| Vesting Tranche Two Period [member]
Disclosure Of Significant Accounting Policies [line items]
Vesting tranche percentage sharebased arrangements	30.00%
Performance Share Units \| Vesting Tranche Three Period [member]
Disclosure Of Significant Accounting Policies [line items]
Vesting tranche percentage sharebased arrangements	50.00%